Lavender: Fragrant and colorful, lavender adds a touch of elegance to window boxes. It thrives in sunny spots with well-drained soil.
Geranium: With vibrant blooms in various hues, geraniums are a popular choice for window boxes. They require regular deadheading for continuous flowering.
Petunia: Petunias offer a cascade of blooms in shades of pink, purple, and white. They prefer full sun and well-drained soil.
Dianthus: Also known as pinks, dianthus produces fragrant flowers in shades of pink, red, and white. They are drought-tolerant and easy to grow.
Begonia: Begonias come in a range of colors and thrive in partial shade. They add a pop of color and texture to window boxes.
Search for 'perennial flowers for window boxes' to find images of these beautiful blooms in various window box arrangements.